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Finding the Fourth Proportional to 375,399.92, 518,060.25 and 214,251.73

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Solution

The fourth proportional to 375,399.92, 518,060.25 and 214,251.73 is: 295,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,399.92 : 518,060.25 = 214,251.73 : x
  2. Step 2: Convert to fraction form
    375,399.92/518,060.25 = 214,251.73/x
  3. Step 3: Cross multiply
    375,399.92x = 518,060.25 × 214,251.73
  4. Step 4: Simplify right side
    375,399.92x = 110,995,304,271.10
  5. Step 5: Solve for x
    x = 110,995,304,271.10/375,399.92
  6. Step 6: Final answer
    x = 295,672.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.